about summary refs log tree commit diff
path: root/src/tools/rust-analyzer/xtask/src/release.rs
diff options
context:
space:
mode:
Diffstat (limited to 'src/tools/rust-analyzer/xtask/src/release.rs')
-rw-r--r--src/tools/rust-analyzer/xtask/src/release.rs175
1 files changed, 0 insertions, 175 deletions
diff --git a/src/tools/rust-analyzer/xtask/src/release.rs b/src/tools/rust-analyzer/xtask/src/release.rs
index e41f4ceb435..d06a25c8929 100644
--- a/src/tools/rust-analyzer/xtask/src/release.rs
+++ b/src/tools/rust-analyzer/xtask/src/release.rs
@@ -1,12 +1,5 @@
 mod changelog;
 
-use std::process::{Command, Stdio};
-use std::thread;
-use std::time::Duration;
-
-use anyhow::{Context as _, bail};
-use directories::ProjectDirs;
-use stdx::JodChild;
 use xshell::{Shell, cmd};
 
 use crate::{date_iso, flags, is_release_tag, project_root};
@@ -59,171 +52,3 @@ impl flags::Release {
         Ok(())
     }
 }
-
-// git sync implementation adapted from https://github.com/rust-lang/miri/blob/62039ac/miri-script/src/commands.rs
-impl flags::RustcPull {
-    pub(crate) fn run(self, sh: &Shell) -> anyhow::Result<()> {
-        sh.change_dir(project_root());
-        let commit = self.commit.map(Result::Ok).unwrap_or_else(|| {
-            let rust_repo_head =
-                cmd!(sh, "git ls-remote https://github.com/rust-lang/rust/ HEAD").read()?;
-            rust_repo_head
-                .split_whitespace()
-                .next()
-                .map(|front| front.trim().to_owned())
-                .ok_or_else(|| anyhow::format_err!("Could not obtain Rust repo HEAD from remote."))
-        })?;
-        // Make sure the repo is clean.
-        if !cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty() {
-            bail!("working directory must be clean before running `cargo xtask pull`");
-        }
-        // This should not add any new root commits. So count those before and after merging.
-        let num_roots = || -> anyhow::Result<u32> {
-            Ok(cmd!(sh, "git rev-list HEAD --max-parents=0 --count")
-                .read()
-                .context("failed to determine the number of root commits")?
-                .parse::<u32>()?)
-        };
-        let num_roots_before = num_roots()?;
-        // Make sure josh is running.
-        let josh = start_josh()?;
-
-        // Update rust-version file. As a separate commit, since making it part of
-        // the merge has confused the heck out of josh in the past.
-        // We pass `--no-verify` to avoid running any git hooks that might exist,
-        // in case they dirty the repository.
-        sh.write_file("rust-version", format!("{commit}\n"))?;
-        const PREPARING_COMMIT_MESSAGE: &str = "Preparing for merge from rust-lang/rust";
-        cmd!(sh, "git commit rust-version --no-verify -m {PREPARING_COMMIT_MESSAGE}")
-            .run()
-            .context("FAILED to commit rust-version file, something went wrong")?;
-
-        // Fetch given rustc commit.
-        cmd!(sh, "git fetch http://localhost:{JOSH_PORT}/rust-lang/rust.git@{commit}{JOSH_FILTER}.git")
-            .run()
-            .inspect_err(|_| {
-                // Try to un-do the previous `git commit`, to leave the repo in the state we found it it.
-                cmd!(sh, "git reset --hard HEAD^")
-                    .run()
-                    .expect("FAILED to clean up again after failed `git fetch`, sorry for that");
-            })
-            .context("FAILED to fetch new commits, something went wrong (committing the rust-version file has been undone)")?;
-
-        // Merge the fetched commit.
-        const MERGE_COMMIT_MESSAGE: &str = "Merge from rust-lang/rust";
-        cmd!(sh, "git merge FETCH_HEAD --no-verify --no-ff -m {MERGE_COMMIT_MESSAGE}")
-            .run()
-            .context("FAILED to merge new commits, something went wrong")?;
-
-        // Check that the number of roots did not increase.
-        if num_roots()? != num_roots_before {
-            bail!("Josh created a new root commit. This is probably not the history you want.");
-        }
-
-        drop(josh);
-        Ok(())
-    }
-}
-
-impl flags::RustcPush {
-    pub(crate) fn run(self, sh: &Shell) -> anyhow::Result<()> {
-        let branch = self.branch.as_deref().unwrap_or("sync-from-ra");
-        let rust_path = self.rust_path;
-        let rust_fork = self.rust_fork;
-
-        sh.change_dir(project_root());
-        let base = sh.read_file("rust-version")?.trim().to_owned();
-        // Make sure the repo is clean.
-        if !cmd!(sh, "git status --untracked-files=no --porcelain").read()?.is_empty() {
-            bail!("working directory must be clean before running `cargo xtask push`");
-        }
-        // Make sure josh is running.
-        let josh = start_josh()?;
-
-        // Find a repo we can do our preparation in.
-        sh.change_dir(rust_path);
-
-        // Prepare the branch. Pushing works much better if we use as base exactly
-        // the commit that we pulled from last time, so we use the `rust-version`
-        // file to find out which commit that would be.
-        println!("Preparing {rust_fork} (base: {base})...");
-        if cmd!(sh, "git fetch https://github.com/{rust_fork} {branch}")
-            .ignore_stderr()
-            .read()
-            .is_ok()
-        {
-            bail!(
-                "The branch `{branch}` seems to already exist in `https://github.com/{rust_fork}`. Please delete it and try again."
-            );
-        }
-        cmd!(sh, "git fetch https://github.com/rust-lang/rust {base}").run()?;
-        cmd!(sh, "git push https://github.com/{rust_fork} {base}:refs/heads/{branch}")
-            .ignore_stdout()
-            .ignore_stderr() // silence the "create GitHub PR" message
-            .run()?;
-        println!();
-
-        // Do the actual push.
-        sh.change_dir(project_root());
-        println!("Pushing rust-analyzer changes...");
-        cmd!(
-            sh,
-            "git push http://localhost:{JOSH_PORT}/{rust_fork}.git{JOSH_FILTER}.git HEAD:{branch}"
-        )
-        .run()?;
-        println!();
-
-        // Do a round-trip check to make sure the push worked as expected.
-        cmd!(
-            sh,
-            "git fetch http://localhost:{JOSH_PORT}/{rust_fork}.git{JOSH_FILTER}.git {branch}"
-        )
-        .ignore_stderr()
-        .read()?;
-        let head = cmd!(sh, "git rev-parse HEAD").read()?;
-        let fetch_head = cmd!(sh, "git rev-parse FETCH_HEAD").read()?;
-        if head != fetch_head {
-            bail!(
-                "Josh created a non-roundtrip push! Do NOT merge this into rustc!\n\
-                Expected {head}, got {fetch_head}."
-            );
-        }
-        println!(
-            "Confirmed that the push round-trips back to rust-analyzer properly. Please create a rustc PR:"
-        );
-        // https://github.com/github-linguist/linguist/compare/master...octocat:linguist:master
-        let fork_path = rust_fork.replace('/', ":");
-        println!(
-            "    https://github.com/rust-lang/rust/compare/{fork_path}:{branch}?quick_pull=1&title=Subtree+update+of+rust-analyzer&body=r?+@ghost"
-        );
-
-        drop(josh);
-        Ok(())
-    }
-}
-
-/// Used for rustc syncs.
-const JOSH_FILTER: &str = ":rev(55d9a533b309119c8acd13061581b43ae8840823:prefix=src/tools/rust-analyzer):/src/tools/rust-analyzer";
-const JOSH_PORT: &str = "42042";
-
-fn start_josh() -> anyhow::Result<impl Drop> {
-    // Determine cache directory.
-    let local_dir = {
-        let user_dirs = ProjectDirs::from("org", "rust-lang", "rust-analyzer-josh").unwrap();
-        user_dirs.cache_dir().to_owned()
-    };
-
-    // Start josh, silencing its output.
-    let mut cmd = Command::new("josh-proxy");
-    cmd.arg("--local").arg(local_dir);
-    cmd.arg("--remote").arg("https://github.com");
-    cmd.arg("--port").arg(JOSH_PORT);
-    cmd.arg("--no-background");
-    cmd.stdout(Stdio::null());
-    cmd.stderr(Stdio::null());
-    let josh = cmd.spawn().context("failed to start josh-proxy, make sure it is installed")?;
-    // Give it some time so hopefully the port is open. (100ms was not enough.)
-    thread::sleep(Duration::from_millis(200));
-
-    Ok(JodChild(josh))
-}